Oxygen concentrator



FIG. 1 is a perspective view of a first embodiment of an oxygen concentrator, showing our new design;

FIG. 2 is a left side view of the oxygen concentrator in FIG. 1;

FIG. 3 is a right side view of the oxygen concentrator in FIG. 1;

FIG. 4 is a top view of the oxygen concentrator in FIG. 1;

FIG. 5 is a bottom view of the oxygen concentrator in FIG. 1;

FIG. 6 is a rear view of the oxygen concentrator in FIG. 1;

FIG. 7 is a front view of the oxygen concentrator in FIG. 1;

FIG. 8 is a perspective view of a second embodiment of an oxygen concentrator, showing our new design;

FIG. 9 is a left side view of the oxygen concentrator in FIG. 8;

FIG. 10 is a right side view of the oxygen concentrator in FIG. 8;

FIG. 11 is a top view of the oxygen concentrator in FIG. 8;

FIG. 12 is a bottom view of the oxygen concentrator in FIG. 8;

FIG. 13 is a rear view of the oxygen concentrator in FIG. 8; and,

FIG. 14 is a front view of the oxygen concentrator in FIG. 8.

The dot-dash broken lines represent the bounds of the claimed design while the evenly spaced broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.

The “INOGEN ONE” in the “INOGEN ONE G4” lettering and icon forming part of the disclosure is a registered trademark of Inogen, Inc. (Serial No. 78300886). 

CLAIM The ornamental design for an oxygen concentrator, as shown and described. 